未来并非在我们前方。它已经发生。
与其抱怨黑暗,不如点亮一支蜡烛。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
朋友相逢欢聚却不饮酒,连洞口的桃花也会笑话。
The more you love yourself, the more you can love others.